8

REVOLVTIONVN LIE. v. 3

quoniam duo latera B p,p ꝝz data ſunt,& angulus a p u partium LXIIII. ſcrup. X LI. erit etiam hic tertium latus 2 u notũ, part. 9725. quibus eſt s p,;οοοο. Et angulus 2D 2 part. I1I. ſcrup. xL. Proinde& in triangulo e a1. duo ꝗᷓq; latera ½,& E I data ſunt, cum toto angulo n ½ L, partiũ cx vIII. ſcrup. L vIII. fiet etiã B nE datus partis unius ſcrup. x. atq; ex his ꝗ ſubn x. part. cx. ſcru. XXVIII. Sed iam patuit etiam A p part. Xx Ll. ſcrup. xx vI. To⸗ tus ergo x 2 colligit partes cx I.ſcrup. LIIII. exinde quæ reſtãt à quatuor rectis part. cccx. ſunt partes cc vi. ſerup. xl. appa rentiæ inter primam ſecundamq́; fulſionem congruentes obſer uatis. Tertio deniqʒ loco dantur codẽ modop o,p latera trian guli opn, angulus quoq; op u part. cx x x. ſcrup. LII. propter rop datum:tertium latus p E prodibit partiũ; o2ι, quarũ etiã eſt op, joοοο.& angulus p c ꝶ part. 11. ſcrup. r. Totus ergonc i part.L.ſcrup. L IX. Proinde etiam trianguli n o duo latera on,& on data ſunt,& angulus: manifeſtabitur& c, qui eſt ꝑtis unius,& ipſi cũp on, prius inuẽto æquales ſunt differen tiæ inter D c,&p Em, angulos æqualitatis& apparentiæ, ac ꝑ⸗ inde ipſe ↄ x partiũ erit X⁰ v. ſcru. x vii. in acronychio tertio. Sed iam demonſtratũ eſt d EL, fuiſſe part. cx. ſcrup. xx VIIl. E⸗ rit igitur qui mediat v ꝝ i, part. Lx v. ſcrup. x. à ſecunda ad terti am obſeruatam fulſionem, cõueniens etiam obſer⸗ uationibus. Quoniã uero tertius ipſe Iouis locus uiſus eſt in part.cxii. ſcrup. x III. non errantiũ ſphæræ, oſtendit ſummæ abſidis louianæ locũ in part. cæ1x. ferè. Quod ſi iam circa deſcripſeri⸗ mus orbem terræ R's r, cuius dimetiens REs ſit ad po, tunc manifeſtum eſt, quòd in acronychio lIouis tertio angulus xꝑx fuerit part. xIX. ſcru. vIii. cui eſt æqualis oE s, q́dq; in a ſit apogæũ æqualitatis ad commutationem. At nunc peracto terra ſemicir

demonſtratus.ltaq; peripicuum eſt ex his, quòd anno Chriſti

31, D. X XIX. Februarij Calend. à media nocte, horis Xix. ano-⸗ . maliæ